The festival of the water deity enshrined together at Goryo no Mesudama Shrine. Goryo, where the Tone River and Karasu River meet, was once a boatmen's village and had two river ports during the Edo period. It is said that the Water Deity Festival began as a prayer to ward off water-related disasters. Cultural Property: Important Intangible Folk Cultural Property designated by the prefecture; Designation year: 2015 (Heisei 27), Selection year: 2002 (Heisei 14)